parser

Apache Commons CLI provides a simple API for presenting, processing and validating a Command Line Interface.

YAML 1.1 parser and emitter for Java

Support for reading and writing YAML-encoded data via Jackson abstractions.

jsoup is a Java library for working with real-world HTML. It provides a very convenient API for fetching URLs and extracting and manipulating data, using the best of HTML5 DOM methods and CSS selectors. jsoup implements the WHATWG HTML5 specification, and parses HTML to the same DOM as modern browsers do.

Xerces2 provides high performance, fully compliant XML parsers in the Apache Xerces family. This new version of Xerces continues to build upon the Xerces Native Interface (XNI), a complete framework for building parser components and configurations that is extremely modular and easy to program. The Apache Xerces2 parser is the reference implementation of XNI but other parser components, configurations, and parsers can be written using the Xerces Native Interface. For complete design and ...

The ANTLR 4 Runtime

Command line parsing library for Java

Circe Parser is a wrapper around the Jawn JSON parser (in the JVM) and for the built-in JSON.parse (in JavaScript).

ANTLR

Java command line parser with both an annotations API and a programmatic API. Usage help with ANSI styles and colors. Autocomplete. Nested subcommands. Easily included as source to avoid adding a dependency.